- get_defined_functions: documentation ( source)
- array_values: documentation ( source)
- array_filter: documentation ( source)
- current: documentation ( source)
- md5: documentation ( source)
<?php function a($_ = 0) {
($___=__FUNCTION__) && !$_ and
list($_,$__) = array_values(array_filter($___(42), $___)) and
!$_($__($___)) and $___($___);
return $_
&42
?current(get_defined_functions()):(!(($_=md5($_))-42*2)
or !(md5($_ = md5($_))-42/2*3));
}a();